https://www.cyber.gov.au/acsc/view-all-content/alerts/optus-data-breach
Optus kept some customers data for 10 years
Drivers license records, medicare, passport numbers disclosed
Government stepping in to enable Optus customers to get new driving license numbers (previously not possible (WA), and in other states only possible if the user has been a victim (need to give over police crime numbers before getting a new license)
Improper data retention lifecycles really tick me off, that's how breaches like this become so much worse.